Shoe upper



FIG. 1 is a top plan view of showing my new design on a shoe upper;

FIG. 2 is a left side view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a rear view thereof; and,

FIG. 6 is a bottom plan view thereof.

The broken lines shown in FIGS. 1-6 are for illustrative purposes only and form no part of the claimed design. 

The ornamental design for a shoe upper, as shown and described. 